Comment # 15
on bug 103678
from Christian König
(In reply to mikhail.v.gavrilov from comment #13) > a. Intel Graphics Processor -> Enabled > b. Initial display output -> PCIe 2 slot > c. A monitor connected to Radeon > BIOS screenshot: https://bugs.freedesktop.org/attachment.cgi?id=135427 > In this case all BIOS output, boot messages and the console passes through > the Radeon graphics card. > But graphics subsusystem couldn't launched. > The Radeon turbine works silent. > Demonstration: https://youtu.be/jjGO650EE80 > I think this is bug because even if video card unsupported it must works in > VESA mode. This behaviour worked in Windows. Interesting, that indeed that should work. Could be a bug in the VESA BIOS or the driver touching the hardware even if it decided not to do so. Please try booting with modprobe.blacklist=amdgpu on the kernel commandline. > $ glxinfo | grep -i "OpenGL version" > OpenGL version string: 3.0 Mesa 17.2.4 > Which minimal version is needed? > I see on Fedora 27 I have Mesa 17.2.4 Not the slightest idea when Vega10 support was added to Mesa, but 17.2.4 is only a few days old so that could work. I would try to get X working with only the kernel first. If you have that working and still no OpenGL you can still compile Mesa on your own. Alex Kernel branch is here BTW: https://cgit.freedesktop.org/~agd5f/linux/ You can also find a amd-staging-4.13 branch there, but that is a ~month old and not maintained any more. amd-staging-drm-next is the latest development work.
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